HP 3100 Series User Manual

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[DeviceC] stp vlan 40 root primary
# Enable the spanning tree feature globally and for VLANs 10, 20, and 40.
[DeviceC] stp enable
[DeviceC] stp vlan 10 20 40 enable
5. Configure Device D:
# Set the spanning tree mode to PVST.
<DeviceD> system-view
[DeviceD] stp mode pvst
# Enable the spanning tree feature globally and for VLANs 20, 30, and 40.
[DeviceD] stp enable
[DeviceD] stp vlan 20 30 40 enable
6. Verify the configurations:
You can use the display stp brief command to display brief spanning tree information on each
device after the network is stable.
# Display brief spanning tree information on Device A.
[DeviceA] display stp brief
VLAN Port Role STP State Protection
10 Ethernet1/0/1 DESI DISCARDING NONE
10 Ethernet1/0/3 DESI FORWARDING NONE
20 Ethernet1/0/1 DESI FORWARDING NONE
20 Ethernet1/0/2 DESI FORWARDING NONE
20 Ethernet1/0/3 DESI FORWARDING NONE
30 Ethernet1/0/2 DESI FORWARDING NONE
30 Ethernet1/0/3 ROOT FORWARDING NONE
# Display brief spanning tree information on Device B.
[DeviceB] display stp brief
VLAN Port Role STP State Protection
10 Ethernet1/0/2 DESI FORWARDING NONE
10 Ethernet1/0/3 ROOT FORWARDING NONE
20 Ethernet1/0/1 DESI FORWARDING NONE
20 Ethernet1/0/2 DESI FORWARDING NONE
20 Ethernet1/0/3 ROOT FORWARDING NONE
30 Ethernet1/0/1 DESI FORWARDING NONE
30 Ethernet1/0/3 DESI FORWARDING NONE
# Display brief spanning tree information on Device C.
[DeviceC] display stp brief
VLAN Port Role STP State Protection
10 Ethernet1/0/1 ROOT FORWARDING NONE
10 Ethernet1/0/2 ALTE FORWARDING NONE
20 Ethernet1/0/1 ROOT FORWARDING NONE
20 Ethernet1/0/2 ALTE FORWARDING NONE
20 Ethernet1/0/3 DESI DISCARDING NONE
40 Ethernet1/0/3 DESI FORWARDING NONE
# Display brief spanning tree information on Device D.
[DeviceD] display stp brief
VLAN Port Role STP State Protection
20 Ethernet1/0/1 ALTE FORWARDING NONE
20 Ethernet1/0/2 ROOT DISCARDING NONE

HP 3100 Series Specifications

General

Brand	HP
Model	3100 Series
Category	Switch
Language	English